./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8933630f4cde50cf36eb2db51c9e240fc5e0c6bd245d32e47623c1906a97a301 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 09:11:49,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:11:49,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:11:49,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:11:49,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:11:49,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:11:49,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:11:49,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:11:49,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:11:49,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:11:49,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:11:49,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:11:49,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:11:49,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:11:49,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:11:49,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:11:49,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:11:49,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:11:49,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:11:49,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:11:49,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:11:49,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:11:49,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:11:49,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:11:49,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:11:49,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:11:49,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:11:49,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:11:49,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:11:49,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:11:49,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:11:49,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:11:49,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:11:49,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:11:49,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:11:49,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:11:49,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:11:49,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:11:49,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:11:49,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:11:49,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:11:49,414 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-12-13 09:11:49,432 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:11:49,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:11:49,433 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:11:49,433 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:11:49,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:11:49,434 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:11:49,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:11:49,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:11:49,435 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:11:49,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:11:49,435 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:11:49,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:11:49,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:11:49,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:11:49,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 09:11:49,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:11:49,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 09:11:49,436 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:11:49,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 09:11:49,437 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:11:49,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 09:11:49,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:11:49,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:11:49,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:11:49,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:11:49,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:11:49,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:11:49,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 09:11:49,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:11:49,438 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 09:11:49,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:11:49,439 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:11:49,439 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:11:49,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 09:11:49,439 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:11:49,439 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:11:49,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8933630f4cde50cf36eb2db51c9e240fc5e0c6bd245d32e47623c1906a97a301 [2022-12-13 09:11:49,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:11:49,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:11:49,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:11:49,653 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:11:49,653 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:11:49,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2022-12-13 09:11:52,300 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:11:52,627 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:11:52,627 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2022-12-13 09:11:52,644 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/data/ed6e36067/20f47dda6e4a4791ac03f1940c76c230/FLAGfb2361eec [2022-12-13 09:11:52,655 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/data/ed6e36067/20f47dda6e4a4791ac03f1940c76c230 [2022-12-13 09:11:52,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:11:52,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:11:52,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:11:52,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:11:52,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:11:52,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:11:52" (1/1) ... [2022-12-13 09:11:52,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4448a7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:52, skipping insertion in model container [2022-12-13 09:11:52,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:11:52" (1/1) ... [2022-12-13 09:11:52,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:11:52,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:11:53,120 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 09:11:53,133 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 09:11:53,292 WARN L623 FunctionHandler]: Unknown extern function clk_prepare [2022-12-13 09:11:53,293 WARN L623 FunctionHandler]: Unknown extern function clk_enable [2022-12-13 09:11:53,293 WARN L623 FunctionHandler]: Unknown extern function clk_unprepare [2022-12-13 09:11:53,296 WARN L623 FunctionHandler]: Unknown extern function clk_disable [2022-12-13 09:11:53,296 WARN L623 FunctionHandler]: Unknown extern function clk_unprepare [2022-12-13 09:11:53,313 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-13 09:11:53,352 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 09:11:53,357 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 09:11:53,369 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 09:11:53,372 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 09:11:53,373 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 09:11:53,392 WARN L623 FunctionHandler]: Unknown extern function __pm_runtime_resume [2022-12-13 09:11:53,395 WARN L623 FunctionHandler]: Unknown extern function __pm_runtime_idle [2022-12-13 09:11:53,397 WARN L623 FunctionHandler]: Unknown extern function __pm_runtime_disable [2022-12-13 09:11:53,414 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-13 09:11:53,455 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-13 09:11:53,461 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-13 09:11:53,466 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 09:11:53,469 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,473 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,476 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,479 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,481 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,482 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 09:11:53,487 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 09:11:53,490 WARN L623 FunctionHandler]: Unknown extern function dma_request_slave_channel_reason [2022-12-13 09:11:53,492 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,493 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,493 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 09:11:53,495 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 09:11:53,499 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 09:11:53,502 WARN L623 FunctionHandler]: Unknown extern function clk_set_rate [2022-12-13 09:11:53,510 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 09:11:53,512 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,521 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,522 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 09:11:53,522 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-13 09:11:53,523 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 09:11:53,523 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,529 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,530 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,531 WARN L623 FunctionHandler]: Unknown extern function reset_control_assert [2022-12-13 09:11:53,531 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 09:11:53,531 WARN L623 FunctionHandler]: Unknown extern function reset_control_deassert [2022-12-13 09:11:53,531 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 09:11:53,533 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 09:11:53,536 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 09:11:53,536 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_interruptible_timeout [2022-12-13 09:11:53,537 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,538 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 09:11:53,548 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_interruptible_timeout [2022-12-13 09:11:53,549 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,549 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,550 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,550 WARN L623 FunctionHandler]: Unknown extern function reset_control_assert [2022-12-13 09:11:53,551 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 09:11:53,551 WARN L623 FunctionHandler]: Unknown extern function reset_control_assert [2022-12-13 09:11:53,551 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 09:11:53,552 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 09:11:53,568 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,569 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,570 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 09:11:53,571 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-13 09:11:53,571 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,572 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap_resource [2022-12-13 09:11:53,572 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-12-13 09:11:53,573 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,573 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-12-13 09:11:53,574 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,574 WARN L623 FunctionHandler]: Unknown extern function devm_reset_control_get [2022-12-13 09:11:53,575 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,576 WARN L623 FunctionHandler]: Unknown extern function pm_runtime_enable [2022-12-13 09:11:53,577 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,578 WARN L623 FunctionHandler]: Unknown extern function devm_spi_register_master [2022-12-13 09:11:53,578 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,585 WARN L623 FunctionHandler]: Unknown extern function spi_master_suspend [2022-12-13 09:11:53,588 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,588 WARN L623 FunctionHandler]: Unknown extern function spi_master_resume [2022-12-13 09:11:53,590 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,680 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 09:11:53,681 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 09:11:53,684 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 09:11:53,692 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 09:11:53,693 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 09:11:53,693 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 09:11:53,722 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 09:11:53,723 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 09:11:53,783 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i[166960,166973] [2022-12-13 09:11:53,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:11:53,895 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:11:53,943 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 09:11:53,944 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 09:11:53,947 WARN L623 FunctionHandler]: Unknown extern function clk_prepare [2022-12-13 09:11:53,947 WARN L623 FunctionHandler]: Unknown extern function clk_enable [2022-12-13 09:11:53,948 WARN L623 FunctionHandler]: Unknown extern function clk_unprepare [2022-12-13 09:11:53,948 WARN L623 FunctionHandler]: Unknown extern function clk_disable [2022-12-13 09:11:53,948 WARN L623 FunctionHandler]: Unknown extern function clk_unprepare [2022-12-13 09:11:53,950 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-13 09:11:53,956 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 09:11:53,957 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 09:11:53,960 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 09:11:53,961 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 09:11:53,961 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 09:11:53,963 WARN L623 FunctionHandler]: Unknown extern function __pm_runtime_resume [2022-12-13 09:11:53,963 WARN L623 FunctionHandler]: Unknown extern function __pm_runtime_idle [2022-12-13 09:11:53,963 WARN L623 FunctionHandler]: Unknown extern function __pm_runtime_disable [2022-12-13 09:11:53,965 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-13 09:11:53,974 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-13 09:11:53,976 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-13 09:11:53,978 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 09:11:53,979 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,980 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,981 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,983 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,984 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,985 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 09:11:53,987 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 09:11:53,988 WARN L623 FunctionHandler]: Unknown extern function dma_request_slave_channel_reason [2022-12-13 09:11:53,989 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,990 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:53,990 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 09:11:53,991 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 09:11:53,993 WARN L623 FunctionHandler]: Unknown extern function dma_release_channel [2022-12-13 09:11:53,995 WARN L623 FunctionHandler]: Unknown extern function clk_set_rate [2022-12-13 09:11:54,001 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 09:11:54,003 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,006 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,007 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 09:11:54,007 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-13 09:11:54,008 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 09:11:54,008 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,010 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,010 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,011 WARN L623 FunctionHandler]: Unknown extern function reset_control_assert [2022-12-13 09:11:54,011 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 09:11:54,011 WARN L623 FunctionHandler]: Unknown extern function reset_control_deassert [2022-12-13 09:11:54,011 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 09:11:54,012 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 09:11:54,013 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 09:11:54,014 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_interruptible_timeout [2022-12-13 09:11:54,014 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,015 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 09:11:54,015 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_interruptible_timeout [2022-12-13 09:11:54,015 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,016 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,016 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,017 WARN L623 FunctionHandler]: Unknown extern function reset_control_assert [2022-12-13 09:11:54,017 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 09:11:54,017 WARN L623 FunctionHandler]: Unknown extern function reset_control_assert [2022-12-13 09:11:54,017 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 09:11:54,018 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 09:11:54,025 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,025 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,031 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 09:11:54,032 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-13 09:11:54,032 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,046 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap_resource [2022-12-13 09:11:54,046 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-12-13 09:11:54,047 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,047 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-12-13 09:11:54,047 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,048 WARN L623 FunctionHandler]: Unknown extern function devm_reset_control_get [2022-12-13 09:11:54,048 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,049 WARN L623 FunctionHandler]: Unknown extern function pm_runtime_enable [2022-12-13 09:11:54,050 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,050 WARN L623 FunctionHandler]: Unknown extern function devm_spi_register_master [2022-12-13 09:11:54,050 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,052 WARN L623 FunctionHandler]: Unknown extern function spi_master_suspend [2022-12-13 09:11:54,053 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,053 WARN L623 FunctionHandler]: Unknown extern function spi_master_resume [2022-12-13 09:11:54,054 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 09:11:54,069 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 09:11:54,069 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 09:11:54,071 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 09:11:54,079 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 09:11:54,080 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 09:11:54,080 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 09:11:54,084 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 09:11:54,084 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 09:11:54,090 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i[166960,166973] [2022-12-13 09:11:54,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:11:54,147 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:11:54,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:54 WrapperNode [2022-12-13 09:11:54,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:11:54,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:11:54,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:11:54,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:11:54,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:54" (1/1) ... [2022-12-13 09:11:54,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:54" (1/1) ... [2022-12-13 09:11:54,397 INFO L138 Inliner]: procedures = 310, calls = 1318, calls flagged for inlining = 429, calls inlined = 677, statements flattened = 7697 [2022-12-13 09:11:54,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:11:54,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:11:54,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:11:54,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:11:54,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:54" (1/1) ... [2022-12-13 09:11:54,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:54" (1/1) ... [2022-12-13 09:11:54,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:54" (1/1) ... [2022-12-13 09:11:54,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:54" (1/1) ... [2022-12-13 09:11:54,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:54" (1/1) ... [2022-12-13 09:11:54,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:54" (1/1) ... [2022-12-13 09:11:54,586 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:54" (1/1) ... [2022-12-13 09:11:54,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:54" (1/1) ... [2022-12-13 09:11:54,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:11:54,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:11:54,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:11:54,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:11:54,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:54" (1/1) ... [2022-12-13 09:11:54,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:11:54,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:11:54,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 09:11:54,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 09:11:54,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 09:11:54,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2022-12-13 09:11:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2022-12-13 09:11:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_5 [2022-12-13 09:11:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_5 [2022-12-13 09:11:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:11:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 09:11:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:11:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 09:11:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 09:11:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 09:11:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 09:11:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 09:11:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 09:11:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:11:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 09:11:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_scenario_4 [2022-12-13 09:11:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_scenario_4 [2022-12-13 09:11:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 09:11:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_3 [2022-12-13 09:11:54,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_3 [2022-12-13 09:11:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:11:54,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:11:54,730 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 09:11:55,169 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 09:11:55,170 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:11:59,850 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 09:11:59,897 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:11:59,898 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 09:11:59,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:11:59 BoogieIcfgContainer [2022-12-13 09:11:59,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:11:59,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:11:59,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:11:59,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:11:59,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:11:52" (1/3) ... [2022-12-13 09:11:59,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2deab053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:11:59, skipping insertion in model container [2022-12-13 09:11:59,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:11:54" (2/3) ... [2022-12-13 09:11:59,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2deab053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:11:59, skipping insertion in model container [2022-12-13 09:11:59,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:11:59" (3/3) ... [2022-12-13 09:11:59,916 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2022-12-13 09:11:59,924 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 09:11:59,933 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:11:59,934 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 09:11:59,934 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:12:01,084 INFO L144 ThreadInstanceAdder]: Constructed 17 joinOtherThreadTransitions. [2022-12-13 09:12:01,254 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:12:01,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:12:01,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:12:01,256 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:12:01,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 09:12:01,284 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:12:01,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_insmod_5Thread1of1ForFork2 ======== [2022-12-13 09:12:01,298 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2e892911, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:12:01,298 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 09:12:05,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_insmod_5Thread1of1ForFork2Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-12-13 09:12:05,644 INFO L445 BasicCegarLoop]: Path program histogram: [] [2022-12-13 09:12:05,646 INFO L307 ceAbstractionStarter]: Result for error location ldv_insmod_5Thread1of1ForFork2 was SAFE (1/4) [2022-12-13 09:12:05,709 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:12:05,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:12:05,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:12:05,733 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:12:05,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-12-13 09:12:05,736 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:12:05,736 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_platform_instance_3Thread1of1ForFork3 ======== [2022-12-13 09:12:05,737 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2e892911, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:12:05,737 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 09:12:59,856 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_platform_instance_3Thread1of1ForFork3Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ldv_platform_instance_3Thread1of1ForFork3Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ldv_platform_instance_3Thread1of1ForFork3Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:12:59,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:12:59,860 INFO L85 PathProgramCache]: Analyzing trace with hash -544784157, now seen corresponding path program 1 times [2022-12-13 09:12:59,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:12:59,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058165738] [2022-12-13 09:12:59,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:12:59,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:13:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:13:00,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:13:00,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058165738] [2022-12-13 09:13:00,841 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 09:13:00,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867832466] [2022-12-13 09:13:00,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:13:00,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:13:00,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:13:00,844 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:13:00,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 09:13:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:13:02,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 7822 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 09:13:02,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:13:02,628 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 717 trivial. 0 not checked. [2022-12-13 09:13:02,629 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:13:02,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867832466] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:13:02,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:13:02,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:13:02,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75054250] [2022-12-13 09:13:02,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:13:02,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 09:13:02,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:13:02,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 09:13:02,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 09:13:02,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:13:02,663 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:13:02,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 914.5) internal successors, (1829), 2 states have internal predecessors, (1829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:13:02,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:13:12,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:13:12,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 09:13:12,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:13:12,653 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_platform_instance_3Thread1of1ForFork3Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ldv_platform_instance_3Thread1of1ForFork3Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ldv_platform_instance_3Thread1of1ForFork3Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:13:12,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:13:12,655 INFO L85 PathProgramCache]: Analyzing trace with hash 2144395808, now seen corresponding path program 1 times [2022-12-13 09:13:12,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:13:12,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988117205] [2022-12-13 09:13:12,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:13:12,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:13:12,939 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 09:13:12,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [447528889] [2022-12-13 09:13:12,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:13:12,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:13:12,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:13:12,941 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:13:12,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 09:13:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:13:14,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 7462 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 09:13:14,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:13:14,391 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 705 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:13:14,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:13:14,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:13:14,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988117205] [2022-12-13 09:13:14,392 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 09:13:14,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447528889] [2022-12-13 09:13:14,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447528889] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:13:14,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:13:14,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 09:13:14,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926924323] [2022-12-13 09:13:14,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:13:14,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 09:13:14,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:13:14,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 09:13:14,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 09:13:14,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:13:14,398 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:13:14,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 294.125) internal successors, (2353), 8 states have internal predecessors, (2353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:13:14,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:13:14,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:13:38,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:13:38,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:13:38,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 09:13:38,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-13 09:13:38,460 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_platform_instance_3Thread1of1ForFork3Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ldv_platform_instance_3Thread1of1ForFork3Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ldv_platform_instance_3Thread1of1ForFork3Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:13:38,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:13:38,463 INFO L85 PathProgramCache]: Analyzing trace with hash 359737314, now seen corresponding path program 1 times [2022-12-13 09:13:38,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:13:38,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594285724] [2022-12-13 09:13:38,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:13:38,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:13:38,798 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 09:13:38,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1433400055] [2022-12-13 09:13:38,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:13:38,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:13:38,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:13:38,800 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:13:38,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 09:13:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:13:40,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 9251 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 09:13:40,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:13:40,663 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 705 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:13:40,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:13:40,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:13:40,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594285724] [2022-12-13 09:13:40,663 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 09:13:40,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433400055] [2022-12-13 09:13:40,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433400055] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:13:40,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:13:40,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 09:13:40,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607264430] [2022-12-13 09:13:40,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:13:40,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:13:40,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:13:40,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:13:40,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:13:40,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:13:40,668 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:13:40,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1046.6666666666667) internal successors, (3140), 3 states have internal predecessors, (3140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:13:40,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:13:40,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:13:40,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:13:46,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:13:46,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:13:46,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:13:46,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 09:13:47,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:13:47,164 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_platform_instance_3Thread1of1ForFork3Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ldv_platform_instance_3Thread1of1ForFork3Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ldv_platform_instance_3Thread1of1ForFork3Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:13:47,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:13:47,167 INFO L85 PathProgramCache]: Analyzing trace with hash -655838119, now seen corresponding path program 1 times [2022-12-13 09:13:47,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:13:47,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730269142] [2022-12-13 09:13:47,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:13:47,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:13:47,475 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 09:13:47,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1598069346] [2022-12-13 09:13:47,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:13:47,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:13:47,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:13:47,476 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:13:47,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c559ca6b-7be4-4a58-91ee-fd3ceab88af7/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 09:13:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:13:49,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 8989 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-13 09:13:49,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:13:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 705 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:13:50,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:13:50,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:13:50,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730269142] [2022-12-13 09:13:50,183 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 09:13:50,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598069346] [2022-12-13 09:13:50,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598069346] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:13:50,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:13:50,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-12-13 09:13:50,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746039060] [2022-12-13 09:13:50,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:13:50,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 09:13:50,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:13:50,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 09:13:50,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=503, Unknown=0, NotChecked=0, Total=552 [2022-12-13 09:13:50,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:13:50,191 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:13:50,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 125.58333333333333) internal successors, (3014), 24 states have internal predecessors, (3014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:13:50,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:13:50,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:13:50,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:13:50,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.